<!DOCTYPE html>
<!--
Copyright 2016 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<link rel="import" href="/tracing/core/scripting_controller.html">
<link rel="import" href="/tracing/extras/tquery/filter.html">

<script>
'use strict';

tr.exportTo('tr.e.tquery', function() {
  function FilterNot(subExpression) {
    tr.e.tquery.Filter.call(this);
    this.subExpression = subExpression;
  }

  FilterNot.prototype = {
    __proto__: tr.e.tquery.Filter.prototype,

    set subExpression(expr) {
      this.subExpression_ = tr.e.tquery.Filter.normalizeFilterExpression(expr);
    },

    get subExpression() {
      return this.subExpression_;
    },

    evaluate(context) {
      return !this.subExpression.evaluate(context);
    }
  };
  tr.c.ScriptingObjectRegistry.register(
      function() {
        const exprs = Array.prototype.slice.call(arguments);
        if (exprs.length !== 1) {
          throw new Error('not() must have exactly one subexpression');
        }
        return new FilterNot(exprs[0]);
      },
      {
        name: 'not'
      }
  );
  return {
    FilterNot,
  };
});
</script>
